IBM 6150 Hardware Maintenance Manual page 602

Appendix A. Tool Requirements
This appendix contains the descriptions and part numbers for special tools
used to service the
mM
6150 System Unit.
Wrap Plugs for the Service Representative
The wrap plugs used by the service representative are stored in the back of
this manual. The wrap plugs used by the customer are stored in the back of
the Problem Determination Guide. You are directed by the diagnostic
program when to install or remove a wrap plug.
Tool Requirements A-I